Finding the Fourth Proportional to 1,499.04, 2,070.36 and 1,003.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.04 : 2,070.36 = 1,003.86 : x
2. Step 2: Convert to fraction form
   1,499.04/2,070.36 = 1,003.86/x
3. Step 3: Cross multiply
   1,499.04x = 2,070.36 × 1,003.86
4. Step 4: Simplify right side
   1,499.04x = 2,078,351.59
5. Step 5: Solve for x
   x = 2,078,351.59/1,499.04
6. Step 6: Final answer
   x = 1,386.46